如果中介变量有两个,例如X→A→B→Y,那么验证中介效应的结果怎么看?
三条路径怎么解释呢:
1、X→A→Y
2、X→A→B→Y
3、A
→
B
→
Y
1和2是单独解释,还是可以合并成一个路径解释?
仿照这个一个中介变量的例子的解释来看:
两个中介变量的Bootstrap检验怎么解释?
X→Y的间接效应区间是[0.057,0.211]吗?可以直接用这个范围包含A、B两个中介的效应吗?
对于表格中这个中介效应的范围值,[0.007,0.064]这个区间是指A中介作用下X→B的中介效应吗?怎么解释?
Standardized Indirect Effects - Two Tailed Significance (BC) (Group number 1 - Default model) | |||
X | A | B | |
A | ... | ... | ... |
B | 0.008 | ... | ... |
Y | 0.001 | 0.008 | ... |
Standardized Indirect Effects - Lower Bounds (BC) (Group number 1 - Default model) | |||
X | A | B | |
A | 0 | 0 | 0 |
B | 0.007 | 0 | 0 |
Y | 0.057 | 0.008 | 0 |
Standardized Indirect Effects - Upper Bounds (BC) (Group number 1 - Default model) | |||
X | A | B | |
A | 0 | 0 | 0 |
B | 0.064 | 0 | 0 |
Y | 0.211 | 0.07 | 0 |
Standardized Direct Effects - Two Tailed Significance (BC) (Group number 1 - Default model) | |||
X | A | B | |
A | 0.001 | ... | ... |
B | ... | 0.017 | ... |
Y | 0.681 | 0.002 | 0.001 |
Standardized Direct Effects - Lower Bounds (BC) (Group number 1 - Default model) | |||
X | A | B | |
A | 0.107 | 0 | 0 |
B | 0 | 0.03 | 0 |
Y | -0.185 | 0.368 | 0.13 |
Standardized Direct Effects - Upper Bounds (BC) (Group number 1 - Default model) | |||
X | A | B | |
A | 0.348 | 0 | 0 |
B | 0 | 0.23 | 0 |
Y | 0.123 | 0.622 | 0.382 |